/**
 * @ClassName:
 * @author:
 * @Description:
 * @Date
 **/
public class Main {
    public static void main(String[] args) {
        int[] arr = {5, 3, 6, 8, 4, 2};
        BinaryTree<Integer> bTree = new BinaryTree<>();
        for (int i : arr) {
            bTree.add(i);
        }
        bTree.preOrder();
    }
}
